collusion

noun

col·​lu·​sion kə-ˈlü-zhən How to pronounce collusion (audio)
Synonyms of collusionnext
: secret agreement or cooperation especially for an illegal or deceitful purpose
acting in collusion with the enemy
collusive adjective
collusively adverb

Examples of collusion in a Sentence

The company was acting in collusion with manufacturers to inflate prices. there was collusion between the two companies to fix prices
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Domestically, Roosevelt’s progressive reforms—breaking up dozens of monopolies, modifying railroad rates, setting aside public lands for conservation—cut against the long run of industrial oligarchy enjoyed by assorted oil, timber, and coal kings in collusion with their congressional retainers. Literary Hub, 16 Dec. 2025 The charges were conspiracy to commit collusion with a foreign country and conspiracy to publish seditious material. Seiji Yamashita, CBS News, 16 Dec. 2025 The 78-year-old pro-democracy activist and media baron was ruled guilty of sedition and collusion with foreign countries by a Hong Kong court on Monday. Yeo Boon Ping, CNBC, 15 Dec. 2025 The former president was released earlier this month after a court ruled there were alternative ways to protect evidence and witnesses or prevent collusion among defendants as Sarkozy appeals. Arkansas Online, 27 Nov. 2025 See All Example Sentences for collusion

Word History

Etymology

Middle English, from Anglo-French, from Latin collusion-, collusio, from colludere — see collude

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of collusion was in the 14th century

Browse Nearby Words

Cite this Entry

“Collusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collusion. Accessed 17 Dec. 2025.

Kids Definition

collusion

noun
col·​lu·​sion kə-ˈlü-zhən How to pronounce collusion (audio)
: secret agreement or cooperation for an illegal or dishonest purpose
collusive adjective

Legal Definition

collusion

noun
col·​lu·​sion kə-ˈlü-zhən How to pronounce collusion (audio)
: the act or an instance of colluding
collusive adjective

More from Merriam-Webster on collusion

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